836642120

素因数分解:

$2^3\times 5^1\times {\mathrm{20916053}}^1$

素因数の和:20916064

約数の個数: 16

約数和(自身を含む): 1882444860

約数和(自身を除く): 1045802740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20916053, 41832106, 83664212, 104580265, 167328424, 209160530, 418321060, 836642120]

約数ペア:

[(1, 836642120), (2, 418321060), (4, 209160530), (5, 167328424), (8, 104580265), (10, 83664212), (20, 41832106), (40, 20916053)]